340 



A BOOK OF INSECTS 



Panama Canal, mosquitoes as disease- 

 spreaders at, 327 



Paniseus, 163 



Panolis, 133 



Panorpid'C, 84 



Papilio, 158 



Papilionida, 91 



Parasitic disease conveyed by insects, 

 324 



Parasitic insects, 28, 48, 173, 187, 282, 

 292, 331 



Parental behaviour of insects, 262 et seq. ! 



Parnassius, 91 



Parthenogenesis, 204, 205 



" Paste" beetle, 322 



"Pearls, ground," 334 



Peckbam, Mr. and Mrs., 269 



Pedicididce, 74 



Perfume. See Scent 



Peripatus, 31, 32 



Periplaneta, 62 



Perla, 66 



Perlidce, 65 



Phalera, 146 



Phasgonuridce, 64 



Phasmidcp, 63, 64, 130, 262 



Philcenus, 72 



Pkorbia, 95 



Phosphorescence in insects, 253 



Phragmatacia, 87 



Phyllium, 63, 130— Leaf insects, q.v. 



Phylloxera, 211, 212 



Phyllodromia, 62 



Piercing mouth-parts of insects, 43, 59 



Pieridce, 91, 153, 254 



Pill-millipedes, 32 



Pimpla, 331 



Pitcher-plants as enemies of insects, 

 247, 248 



Plague disseminated by insects, 329 



Plant-eating insects, 191 



Plant-lice, 13, 72, 296 



Planta, the, 55 



Plants, fertilisation by insects, 215, 217 

 et seq. 



— insectivorous, as enemies of insects, 

 247 



— poisonous, as insect food, 191 

 Plecoptera, 65, 315, 317 

 Plusia, 191 



Pluvinaria, 73 



Pogonomyrnux, 299 



Poisonous plants, as insect foo.l, 191 



"Pollen baskets" of bees, 55. 214 



Pollen-collecting by insects, 55 



•* Pollen-combs " of bees, 214 



Pollination of flowers by insects, 217, 



218 et seq. 

 Pollinia, 233 



Polyergns, 297 



Polyntma, 318 



Polyommatus, 37 



Pompilidte, 99, 267, 278 



Pond-skaters, 10, 310, 313 



Porthesia, 88 



Poulton, Professor, quoted, 133, 131, 



135, 139, 140, 141, 159 

 Praying insects, 14, 54. 62, 63, 173, 171, 



175 

 Primrose, fertilisation by insects, 220 

 Proboscis of insects, 43 

 Proctotrypidce, 98, 265, 318 

 Prolegs, 1, 56 

 Pronotum, 72, 77 

 Pronuba, 237 

 Propolis, 285 



Prosternal process of Elaterida, 166 

 Protective coloration. 139 



— devices, 152, 247 



— resemblance, 128 

 Pseudomvrma, 206 

 Psilura,"8H, 192 

 Psilhyrus, 282. 283, 292 

 Psocidce, 67, 263 

 Psychce, 57 

 Psychidce, 86, 143 

 Psychoda, 232 

 Psyllida, 73 

 Ptinidce, 81 

 Pulicidce, 95 

 Pulvillus, 55 



Pupa, application of term, 24. See also 

 Chrysalis 



— forms of, 24 



— powers of movement, 25 

 Puparium, 24 



Pyralidie, 87 

 Pyramcis, 141 



" Rain-bseeze " fly, 187 

 Raphidiidie, 75, 179 

 " Rat-tailed " maggot, 313 

 " Rearhorse." See Mantid 

 Reaumur, 180 

 " Red maggots," 321 

 Reduvius, 176 



Reflex actions of insects, 120. See In- 

 stinct 

 Reproductive capacity, 171 

 Resemblance, aggressive, 173 



— protective, 128 

 Respiration, 3, 6 



— of aquatic insects, 312 

 Rctinia, 87 

 Rhipiphoridcc, 82 

 Rhoditcs, 201 

 Rhynchophora, 83 



Rice weevil, 83 



